Excel Vba programming

2. Program a function named Echelon(A,b) to reduce a linear system Ax b and return the nx(n+1) row echelo.. form of the matrix, where matrix A is an nxn matrix Hint: You may lookup some pseudo code for Gaussian elimination process 2. Program a function named Echelon(A,b) to reduce a linear system Ax b and return the nx(n+1) row echelo.. form of the matrix, where matrix A is an nxn matrix Hint: You may lookup some pseudo code for Gaussian elimination process